Xerox Phaser 3120 specifications Hvps Circuit Diagram 2/2

Page 79

SCHEMATIC DIAGRAMS

HVPS Circuit Diagram (2/2)

 

5V

ZD401

24VS

 

MHV-sen

MHV-PWM

D401 1N4148

C404

 

R403

 

 

472

 

1.5M

 

 

12

+

14

13

 

-

 

Q401

A708-Y

R404

2.7V

 

 

C406

 

R407

 

 

 

103

R406

100K

 

 

5.6K

 

 

 

 

 

R408

C405

 

 

470

 

 

 

 

IT401

D404

R410

 

4KV

 

 

 

1/2W 560K

4

 

 

 

2

¡

 

C409

R413 MHV

1/2W 100K

CON2-19 R401

 

 

R402

47K

 

 

22K

 

 

 

 

 

 

 

 

 

 

 

 

C401

 

 

C402

 

 

 

 

473

 

 

102

 

 

 

 

 

 

 

 

 

 

 

U102-D

KA324

C403

D402 331

1N4148

10K

 

 

104

 

R405

 

 

 

10K

 

 

 

 

 

Q403

C407

 

 

103

 

 

C2316

 

 

 

 

D403

Q402

ZD402

 

D1NL20U

 

 

C945C-Y

2.7V

R409

 

 

 

1/4W 4.7

 

 

6

 

3KV 471

R411

5

¡ 7

 

 

MGR1/2W 20MF

 

 

 

1 ¡

 

 

MHV-sen

 

 

 

 

 

IT-01

 

 

 

 

 

5V

R412

 

 

 

30KF

 

 

 

 

 

 

 

 

 

C410

 

C408

 

 

221

 

103

 

MHV

 

 

 

 

20K

 

R414 MGR1/2W 15MF

OPC

ZD403

130V

5V

C504

ZD501

 

24VS

 

 

 

 

BIAS-sen

D501

 

 

R503

 

 

 

1N4148

472

 

330KF

 

 

 

 

10

+

8

 

 

 

Q501

A708-Y

2.7V

 

C506

 

R507

103

R506

100K

 

5.6K

 

 

IT501

D504

R510

 

 

4KV

R513

SUPPLY

 

1/2W 1.8M

 

 

4

 

 

 

 

BIAS-PWMR502

R501 22K

CON2-20 47K

C501 C502

473 102

24VS

 

 

 

 

 

 

 

 

 

 

9

-

 

 

 

 

 

 

 

 

 

 

 

U102-C

 

 

 

 

 

 

 

 

 

 

 

KA324

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D502

 

C503

 

 

 

 

 

 

 

1N4148

 

681

 

 

 

 

 

 

 

 

 

 

 

 

 

U103

KA78055V

R504

10K

R505

10K

Q502 C945C-Y

ZD502

2.7V

R508

470 C505

104

Q503

C507

103

C2316

 

R509

D503

D1NL20U

1/4W 10

 

 

 

 

R511

 

1/2W 50K

 

2 ¡

 

 

C510

 

 

6

C509

 

 

 

 

 

3KV 101

ZD503

 

 

¡ 7

3KV 471

 

 

5

 

 

 

200V

 

1 ¡

 

 

 

 

 

 

IT-01

 

MGR1/2W

BIAS-sen

R514

DEV

 

 

 

 

 

 

 

 

5V

R512

1/2W 50K

 

 

 

 

 

 

 

 

30KF

 

 

 

C508

 

R515

 

 

 

 

 

 

 

 

103

 

DEV

MGR1/2W 15MF

 

 

 

 

10MF

 

 

 

 

 

 

20K

 

 

 

C112

+

50V 10uF

 

 

 

 

IN OUT

GND

+ C113 25V 47uF

8-16Service Manual

Page 78 Page 80
Image 79
Page 78 Page 80
Contents Laser Printer Precautions Precaution related electric shock or fire Precaution related noxious materialPrecaution when assembly/disassembly Precaution related handling the machineESD Precautions DCUDiagnostic Control Unit Driver Tool for TroubleshootingGeneral Specifications SpecificationsElectrical Specification Controller SpecificationEnvironmental Range Toner Cartridge Developer Paper Handling SpecificationsSpecifications Whenever servicing the machine, you must perform as follows Releasing Plastic LatchesTop Cover Fuser LSU Exit RollerDriver Ass’y FanMain PBA Engine Shield Ass’ySmps Transfer Roller Feed Roller Solenoid Pick Up RollerHow to use DCU 4.1.1 DCU Setup TroubleshootingCode Error CodeNormal Code Code Description Self Diagnostic Mode13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Down Stop Remar k Self Test ButtonVertical Black Line and Band Bad imageVertical White Line Black/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Blank Page Print out Satins on BackWrong Print Position Bad discharge2 JAM 4 JAM 3 JAMPaper rolled in the Fuser Multi-FeedingPaper rolled in the Toner Cartridge OPC Drum All LEDs blinking Scan Error All LEDs blinking Fuser ErrorMalfunction Paper Empty Not function of the gear of the fuser due to melting awayPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Redistributing Toner Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Service for the Life of Toner CartridgeImage Signs and Measures at Poor toner cartridgeFault Signs Cause & Check Solution White Black spot Printer is not working Bad Environment of The SoftwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List Main AssemblyExploded view Main Assembly Parts List Frame Assembly Exploded view Frame Assembly Parts List SHAFT-FEED Idle Driver Unit Exploded view Driver Unit Parts ListFuser Unit Exploded view Fuser Unit Parts List Cassette Unit Exploded view Cassette Unit Parts List 3130 DiagramFuser ASS’Y Connection Diagram Computer PhaserSchematic Diagrams Phaser 3130 Main Circuit Diagram 2/9 Phaser 3130 Main Circuit Diagram 3/9 Phaser 3130 Main Circuit Diagram 4/9 Phaser 3130 Main Circuit Diagram 5/9 Phaser 3130 Main Circuit Diagram 6/9 Phaser 3130 Main Circuit Diagram 7/9 Phaser 3130 Main Circuit Diagram 8/9 Phaser 3130 Main Circuit Diagram 9/9 Phaser 3120 Main Circuit Diagram 1/5 Phaser 3120 Main Circuit Diagram 2/5 Phaser 3120 Main Circuit Diagram 3/5 Phaser 3120 Main Circuit Diagram 4/5 Phaser 3120 Main Circuit Diagram 5/5 Hvps Circuit Diagram 1/2 Hvps Circuit Diagram 2/2 Smps Circuit Diagram Other PBA Circuit Diagrams
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